论文部分内容阅读
近两乍来在福建省福鼎县和闽侯县的一些牛蛙场中,牛蛙发生一种以皮肤出血、溃烂、眼睛瞎和脑神经症状为特征的疾病,呈群发性,抗生素治疗无效,致死率很高。据闽南、广东、浙江和江苏一些蛙场反映,亦有这种疾病发生,牛蛙死亡很多,对养蛙业威胁很大。为了摸清这种疾病的病因及其有效的防治方法,我们作了大量的调查和实验研究工作,认为是单纯饲喂动物性饵料导致的牛蛙多种维生素 (VA、VB1、VB2、VC及VE)缺乏症。现将结沦和小结报
In recent years, in some bullfrog farms in Fuding County, Fujian Province and Minhou County, bullfrogs have developed a disease characterized by skin hemorrhage, ulceration, blindness of the eyes and cranial nerves. The disease is mass-produced, antibiotic therapy is ineffective and lethal High rate. According to some fry farms in southern Fujian, Guangdong, Zhejiang and Jiangsu, there are also some diseases of this kind. The death of the bullfrogs is many and the threat to the frog industry is very high. In order to find out the cause of the disease and its effective prevention and treatment methods, we made a lot of investigation and experimental research, that is a simple feeding of animal feed caused by bullfrog multivitamins (VA, VB1, VB2, VC and VE Lack of disease. Now knot and summary report